My other half's said it updated but hadn't, mine won't either (both android) but we got here and set up in orange (Leeds) about 3 hour ago and our signal and Internet is still a bit sketchy.
Other answers:
We also got off A1 north bound at wrong exit and ended up following signs for drop off only but parking folk were sound for a change and let us skip traffic into red gate 2.
Sniffer dog was taking a shit as we entered so can't comment on how effective he was.
Quite a streamlined process imo, covid status at first set of tents, the security, then tickets.